Notification of Major Shareholding



20 June 2011





                                    G4S PLC

                       NOTIFICATION OF MAJOR SHAREHOLDING


The  company was  notified on  17 June 2011 by  BlackRock, Inc that, following a
disposal  of voting  rights, through  a chain  of controlled undertakings it now
holds  indirectly  voting  rights  in  the  company  through ordinary shares and
through  other  financial  instruments  over  69,448,158 ordinary  shares.  This
amounts to 4.93% of the company's total voting rights.



Peter David
Company Secretary









For further enquiries, please contact:

Helen Parris - Director of Investor Relations                              +44
(0) 1293 554400

Media enquiries:
David Allchurch or John Sunnucks, Tulchan Group+44(0) 0207 353 4200

Notes to Editors:


G4S is the world's leading security solutions group, specialising in outsourcing
of  business processes in sectors where security and safety risks are considered
a  strategic threat.   G4S is  the largest  employer quoted  on the London Stock
Exchange  and has  a secondary  stock exchange  listing in  Copenhagen.  G4S has
operations in more than 120 countries and more than 625,000 employees.  For more
information on G4S, visitwww.g4s.com .






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